A declassified CIA memo released Wednesday challenges the work intelligence agencies did to conclude that Russia interfered ...

A newly declassified CIA memo released Wednesday has raised questions about the intelligence community’s conclusion that ...

The CIA "continues to assess that both research-related and natural origin scenarios of the COVID-19 pandemic remain plausible,” the agency wrote in a statement about its new assessment.

In January, an agency spokesperson said that the CIA has assessed that the COVID-19 pandemic is more likely to have emerged from a lab than from nature but said that it had "low confidence" in the ...

John Ratcliffe, now-CIA director, speaks during a House Select Subcommittee on the Coronavirus Pandemic hearing in Washington, DC, US, on Tuesday, April 18, 2023.

The FBI and CIA believe COVID-19 most likely originated from a lab leak at the Wuhan Institute of Virology, which was working with dangerous coronaviruses in the years leading up to the pandemic.

A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers common questions about the new variant.

A Centers for Disease Control and Prevention official said Tuesday she was resigning from her role overseeing updates to the agency's COVID-19 vaccine recommendations, following an order by Health ...

Former CIA director and Biden cabinet official William Burns is working on a book about his years leading the intelligence agency. Random House announced on June 3 that it would publish Burns ...

A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This variant is currently being monitored by the World Health Organization ...

A top coronavirus vaccine adviser to the Centers for Disease Control and Prevention (CDC) resigned from the agency, citing concerns that she would no longer be able to help the most vulnerable ...